110 lines
2.5 KiB
C
110 lines
2.5 KiB
C
/*
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* Copyright (C) 2012-2016 Freescale Semiconductor, Inc.
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* Copyright 2018 NXP
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*
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*
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* See file CREDITS for list of people who contributed to this
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* project.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*/
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#include <common.h>
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#include <command.h>
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#include <fsl_caam.h>
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static int do_caam(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
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{
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int ret, i;
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if (argc < 2)
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return CMD_RET_USAGE;
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if (strcmp(argv[1], "genblob") == 0) {
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if (argc != 5)
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return CMD_RET_USAGE;
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void *data_addr;
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void *blob_addr;
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int size;
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data_addr = (void *)simple_strtoul(argv[2], NULL, 16);
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blob_addr = (void *)simple_strtoul(argv[3], NULL, 16);
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size = simple_strtoul(argv[4], NULL, 10);
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if (size <= 48)
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return CMD_RET_USAGE;
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caam_open();
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ret = caam_gen_blob((uint32_t)data_addr, (uint32_t)blob_addr, (uint32_t)size);
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if(ret != SUCCESS){
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printf("Error during blob encap operation: 0x%x\n", ret);
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return 0;
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}
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/* Print the generated DEK blob */
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printf("DEK blob is available at 0x%08X and equals:\n",(unsigned int)blob_addr);
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for(i=0;i<size;i++)
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printf("%02X ",((uint8_t *)blob_addr)[i]);
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printf("\n\n");
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return 1;
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}
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else if (strcmp(argv[1], "decap") == 0){
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if (argc != 5)
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return CMD_RET_USAGE;
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void *blob_addr;
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void *data_addr;
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int size;
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blob_addr = (void *)simple_strtoul(argv[2], NULL, 16);
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data_addr = (void *)simple_strtoul(argv[3], NULL, 16);
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size = simple_strtoul(argv[4], NULL, 10);
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if (size <= 48)
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return CMD_RET_USAGE;
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caam_open();
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ret = caam_decap_blob((uint32_t)(data_addr), (uint32_t)(blob_addr), (uint32_t)size);
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if(ret != SUCCESS)
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printf("Error during blob decap operation: 0x%x\n", ret);
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else {
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printf("Success, blob decap at SM PAGE1 original data is:\n");
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int i = 0;
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for (i = 0; i < size; i++) {
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printf("0x%x ",*(unsigned char*)(data_addr+i));
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if (i % 16 == 0)
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printf("\n");
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}
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printf("\n");
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}
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return 1;
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}
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return CMD_RET_USAGE;
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}
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U_BOOT_CMD(
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caam, 5, 1, do_caam,
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"Freescale i.MX CAAM command",
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"caam genblob data_addr blob_addr data_size\n \
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caam decap blobaddr data_addr data_size\n \
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\n "
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);
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